In Devarim 21:16 - 17 it states that the father cannot favor the son of the beloved wife over the older son of a hated wife.
If we assume the notion that our forefathers performed all the mitzvot of ...

In both Bamidbar 36:5 and Bamidbar 27:6, we find that G-d commands Moshe regarding 2 different requests from B'not (daughters of) Tzlafhad.
Even though the Torah records these in separate places, and ...